A number of flexible distributions (generalized beta of the second kind, inverse hyperbolic sine (IHS), <InlineEquation ID="IEq1"> <EquationSource Format="TEX">$$g$$</EquationSource> <EquationSource Format="MATHML"> <math xmlns:xlink="http://www.w3.org/1999/xlink"> <mi>g</mi> </math> </EquationSource> </InlineEquation>-and-<InlineEquation ID="IEq2"> <EquationSource Format="TEX">$$h$$</EquationSource> <EquationSource Format="MATHML"> <math xmlns:xlink="http://www.w3.org/1999/xlink"> <mi>h</mi> </math> </EquationSource> </InlineEquation>, Weibull, Burr-3, Burr-12, generalized gamma, reciprocal gamma) are examined in the setting of option-pricing to explore potential improvements over the...</equationsource></equationsource></inlineequation></equationsource></equationsource></inlineequation>

When solving linear systems and, in particular when solving large scale ill-conditioned problems it is important to understand the behaviour of the conjugate gradient method. The conjugate gradient method converges typically in three phases, an initial phase of rapid convergence but short...